Service Host causes high CPU in Windows 10 version 1709 [FIX]

If you already installed the Fall Creators Update on your computer, you may have noticed that Service Host often triggers high CPU usage. This issue is quite frequent affecting thousands of users.

Usually, the culprits are these two processes: Service Host Local Service and Service Host Internet Connection Sharing.

The reasons why your PC shows a high CPU usage are complex and range from update issues to corrupted files. Since this problem occurs shortly after you installed Windows 10 v1709 on your device, chances are that Windows Update got stuck when downloading an update.

Check if the issue persists. If this is the case, go to the next solution.

3. Perform a network reset

Many users reported that sometimes the first two solutions only solve this issue temporarily. Fortunately, one resourceful Windows 10 user found a permanent fix and listed the troubleshooting steps on Microsoft’s forum:

This tool will repair common computer errors, protect you from file loss, malware, hardware failure and optimize your PC for maximum performance. Quickly fix PC issues and prevent others from happening with this software: